A participant wearing a mask takes part in the Clean Sober and Proud Walk in Vancouver, British Columbia, Canada, on Aug. 2, 2020. People took part in the parade to raise awareness and support people in recovering from drug and alcohol addiction. (Photos: Liang Sen/Xinhua)

People participate in the Clean Sober and Proud Walk in Vancouver, British Columbia, Canada, on Aug. 2, 2020. People took part in the parade to raise awareness and support people in recovering from drug and alcohol addiction.

People participate in the Clean Sober and Proud Walk in Vancouver, British Columbia, Canada, on Aug. 2, 2020. People took part in the parade to raise awareness and support people in recovering from drug and alcohol addiction.

People participate in the Clean Sober and Proud Walk in Vancouver, British Columbia, Canada, on Aug. 2, 2020. People took part in the parade to raise awareness and support people in recovering from drug and alcohol addiction.

People participate in the Clean Sober and Proud Walk in Vancouver, British Columbia, Canada, on Aug. 2, 2020. People took part in the parade to raise awareness and support people in recovering from drug and alcohol addiction.

Participants pose for photos during the Clean Sober and Proud Walk in Vancouver, British Columbia, Canada, on Aug. 2, 2020. People took part in the parade to raise awareness and support people in recovering from drug and alcohol addiction.